<template>
  <div class="login-container" :class="isget ? 'changebackimg' : ''">
    <el-form
      ref="loginForm"
      :model="loginForm"
      :rules="loginRules"
      class="login-form"
      auto-complete="on"
      label-position="left"
    >
      <!-- 登录标题 -->
      <div class="title-container">
        <h3 class="title">为思而学—基于能力素质的家庭教育辅助平台`后台管理系统</h3>
      </div>
      <!-- 第一个form-item 用户名 -->
      <el-form-item prop="username">
        <span class="svg-container">
          <svg-icon icon-class="user" />
        </span>
        <el-input
          ref="username"
          v-model="loginForm.username"
          placeholder="临时身份token号,输入任意字符即可通行"
          name="username"
          type="text"
          tabindex="1"
          auto-complete="on"
        />
      </el-form-item>
      <!-- 第二个form-item 密码框 -->
      <el-form-item prop="password">
        <div >
          <span class="svg-container">
            <svg-icon icon-class="password" />
          </span>
          <el-input
            :key="passwordType"
            ref="password"
            v-model="loginForm.password"
            :type="passwordType"
            placeholder="Password"
            name="password"
            tabindex="2"
            auto-complete="on"
            @keyup.enter.native="handleLogin"
            @focus="searchfun"
            @blur="searchfun_close"
          />
          <span class="show-pwd" @click="showPwd">
            <svg-icon
              :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'"
            />
          </span>
        </div>
      </el-form-item>
      <!-- 提交按钮 -->
      <el-button
        :loading="loading"
        type="primary"
        style="width: 100%; margin-bottom: 30px"
        @click.native.prevent="handleLogin"
        >登录</el-button
      >
      <el-button
        :loading="loading"
        type="danger"
        style="background-color:#9c446e ;color: #FFF;"
        @click.native.prevent="token_login_temp"
        >受限,临时身份token号</el-button
      >
    </el-form>
  </div>
</template>

<script>
import { validUsername } from "@/utils/validate";

export default {
  name: "Login",
  data() {
    // 用户名表单验证
    const validateUsername = (rule, value, callback) => {
      if (!validUsername(value)) {
        callback(new Error("请输入正确的用户名"));
      } else {
        
      }callback();
    };
    // 用户密码验证
    const validatePassword = (rule, value, callback) => {
      if (value.length < 0) {
        callback(new Error("密码不能少于6位"));
      } else {
        
      }callback();
      
    };
    return {
      loginForm: {
        username: "",
        password: "",
      },
      loginRules: {
        username: [//validator: validateUsername
          { required: true, trigger: "blur",  },
        ],
        password: [
          { required: true, trigger: "blur", validator: validatePassword },
        ],
      },
      loading: false,
      passwordType: "password",
      redirect: undefined,
      isget: false,
    };
  },
  watch: {
    $route: {
      handler: function (route) {
        this.redirect = route.query && route.query.redirect;
      },
      immediate: true,
    },
  },
  methods: {
    searchfun_close() {
      this.isget = false;
    },
    //input当前获取焦点执行的方法
    searchfun() {
      this.isget = true;
    },
    showPwd() {
      if (this.passwordType === "password") {
        this.passwordType = "";
      } else {
        this.passwordType = "password";
      }
      this.$nextTick(() => {
        this.$refs.password.focus();
      });
    },
    handleLogin() {
      this.$refs.loginForm.validate((valid) => {
        //这里是在验证表单元素是否符合规则
        if (valid) {
          //按钮会有一个loading效果
          this.loading = true;
          //派发一个action:user/login,带着用户名与密码的载荷
          this.$store
            .dispatch("user/login", this.loginForm)
            .then(() => {
              //登录成功路由跳转
              this.$router.push({ path: this.redirect || "/" });
              //loading效果结束
              this.loading = false;
            })
            .catch(() => {
              this.loading = false;
            });
        } else {
          console.log("error submit!!");
          return false;
        }
      });
    },
    token_login_temp(){
      //登录业务:发请求 带着密码与用户名给服务器
      this.$refs.loginForm.validate((valid) => {
        this.loading = true;
          //派发一个action:user/login,带着用户名与密码的载荷
          this.$store
            .dispatch("user/login", this.loginForm)
            .then(() => {
              //登录成功路由跳转
              this.$router.push({ path: this.redirect || "/" });
              //loading效果结束
              this.loading = false;
            })
            .catch(() => {
              this.loading = false;
            });
       
      });
    }
  },
};
</script>

<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg: #283443;
$light_gray: #fff;
$cursor: #fff;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
  }
}

/* reset element-ui css */
.login-container {
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $bg;
      height: 47px;
      caret-color: $cursor;

      &:-webkit-autofill {
        box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: $cursor !important;
      }
    }
  }

  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.1);
    border-radius: 5px;
  }
}
</style>

<style lang="scss" scoped>
$bg: #2d3a4b;
$dark_gray: #9c446e;
$light_gray: #865656;
.changebackimg {
  background: url(~@/assets/login/left_close.png),
    url(~@/assets/login/right_close.png) !important;
  background-repeat: no-repeat, no-repeat !important;
  background-position: left bottom, right bottom !important;
}
.login-container {
  min-height: 100%;
  width: 100%;
  overflow: hidden;
  background: url(~@/assets/login/left.png), url(~@/assets/login/right.png);
  background-repeat: no-repeat, no-repeat;
  background-position: left bottom, right bottom;
  .login-form {
    position: relative;
    width: 520px;
    max-width: 100%;
    padding: 160px 35px 0;
    margin: 0 auto;
    overflow: hidden;
    color: #cd5a91;
  }

  .tips {
    font-size: 14px;
    margin-bottom: 10px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
    position: relative;

    .title {
      font-size: 26px;
      margin: 0px auto 40px auto;
      text-align: center;
      font-weight: bold;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }
}
</style>
